private void txt_FreqStart_TextChanged(object sender, EventArgs e)
{
if (this.txt_FreqStart.Text == null || this.txt_FreqStart.Text == "")
{
return;
}
Decimal frq = Decimal.Parse(this.txt_FreqStart.Text);
string text = this.cmb_FreqStep.Text;
if (DataForm.GetBandIdx(frq) == -1)
{
return;
}
this.cmb_FreqStep.Items.Clear();
this.cmb_FreqStep.Items.AddRange((object[])this.cDataForm.GetSTEPList(frq));
if (Array.IndexOf <string>(this.cDataForm.GetSTEPList(frq), text) >= 0)
{
this.cmb_FreqStep.Text = text;
}
else
{
this.cmb_FreqStep.SelectedIndex = 0;
}
}